A US woman who shot and killed her husband and two adult children before taking her own life is thought to have committed the shocking crime as a result of being ostracised from the religion she was raised in.

Every time I tell a mate I’m doing a story on cryptocurrency, they invariably ask me the same two questions: should they invest their own hard-earned money, and which cryptocurrency will get them a Lamborghini/yacht/island quickest?

But Ms Batty says the furore over comments suggesting people might pay to drown a female football journalist highlighted the need to be aware of sexist and derogatory language.

She was asked about the comments as she delivered a petition to major political parties in Melbourne calling for the family law system to put the safety of children first.

McGuire and this Triple M colleagues had come under fire after joking they would pay to see the female AFL journalist slide into a vat of icy cold water, following a fundraiser where TV personalities and former footy stars did just that.

But their conversation went too far for many, inferring people would pay to hold the journalist underwater or "bomb" her from the sidelines.

Ms Batty said she didn't believe McGuire meant any harm but he was just as accountable as anyone else.